The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
Nov. 22, 2023
Applicant:
Stamicarbon B.v., Sittard, NL;
Inventor:
Rahul Patil, Maastricht, NL;
Assignee:
Stamicarbon B.V., Sittard, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/60 (2006.01); B01D 3/06 (2006.01); B01D 53/00 (2006.01); B01D 53/14 (2006.01); B01D 53/18 (2006.01); C07C 273/12 (2006.01); C07C 273/16 (2006.01);
U.S. Cl.
CPC ...
C07D 251/60 (2013.01); B01D 3/06 (2013.01); B01D 53/002 (2013.01); B01D 53/1493 (2013.01); B01D 53/18 (2013.01); C07C 273/12 (2013.01); C07C 273/16 (2013.01); B01D 2252/2041 (2013.01); B01D 2252/20431 (2013.01);
Abstract
The disclosure pertains to a plant and process for the coupled production of urea and melamine. In an embodiment, a lean carbamate solution is supplied from the melamine production section to a recovery section of the urea production section. In an embodiment, enriched carbamate solution from the urea production section is supplied to an off-gas condenser of the melamine production section.